Date: Thu, 13 Aug 2020 12:52:13 +0300 From: moridin@mm.st To: virtualization@freebsd.org Subject: bhyve/e1000: sigbus if using renamed interface Message-ID: <862bb8c6-5c6a-8ced-d9c3-0302336a9816@mm.st>
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Steps to reproduce:
# ifconfig create tap1 name vm1
# bhyve -s0,hostbridge -s1,lpc -s2,e1000,vm1
-lbootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd test
zsh: bus error (core dumped)
Getting this in 2 different places in code, though the reason must be
the same?
Program terminated with signal SIGBUS, Bus error.
#0 cond_signal_common (cond=0x800e47088) at
/usr/src/lib/libthr/thread/thr_cond.c:444
444 if (pshared || cvp->__has_user_waiters == 0)
[Current thread is 1 (LWP 101895)]
(gdb) bt
#0 cond_signal_common (cond=0x800e47088) at
/usr/src/lib/libthr/thread/thr_cond.c:444
#1 _thr_cond_signal (cond=0x800e47088) at
/usr/src/lib/libthr/thread/thr_cond.c:551
#2 0x0000000000237dff in e82545_tx_thread (param=0x800e47000) at
/usr/src/usr.sbin/bhyve/pci_e82545.c:1493
#3 0x000000080062207b in thread_start (curthread=0x800e12500) at
/usr/src/lib/libthr/thread/thr_create.c:292
#4 0x0000000000000000 in ?? ()
Program terminated with signal SIGBUS, Bus error.
#0 _mutex_owned (curthread=0x800e12500, mp=0x5a5a5a5a5a5a5a5a) at
/usr/src/lib/libthr/thread/thr_mutex.c:1169
1169 if (PMUTEX_OWNER_ID(mp) != TID(curthread))
[Current thread is 1 (LWP 101809)]
(gdb) bt
#0 _mutex_owned (curthread=0x800e12500, mp=0x5a5a5a5a5a5a5a5a) at
/usr/src/lib/libthr/thread/thr_mutex.c:1169
#1 0x000000080062d848 in cond_wait_common (cond=<optimized out>,
mutex=0x800e47018, abstime=0x0, cancel=1)
at /usr/src/lib/libthr/thread/thr_cond.c:372
#2 0x000000080062dc61 in __thr_cond_wait (cond=0x800e12500,
mutex=0x5a5a5a5a5a5a5a5a)
at /usr/src/lib/libthr/thread/thr_cond.c:395
#3 0x0000000000237e39 in e82545_tx_thread (param=0x800e47000) at
/usr/src/usr.sbin/bhyve/pci_e82545.c:1494
#4 0x000000080062207b in thread_start (curthread=0x800e12500) at
/usr/src/lib/libthr/thread/thr_create.c:292
#5 0x0000000000000000 in ?? ()
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